957     auto Merge = [&](SmallVectorImpl<CallInst *> &MergableCIs, BasicBlock *BB) {  in mergeParallelRegions()  argument
960       assert(MergableCIs.size() > 1 && "Assumed multiple mergable CIs");  in mergeParallelRegions()
964            << (MergableCIs.size() > 2 ? "s" : "") << " at ";  in mergeParallelRegions()
965         for (auto *CI : llvm::drop_begin(MergableCIs)) {  in mergeParallelRegions()
967           if (CI != MergableCIs.back())  in mergeParallelRegions()
973       emitRemark<OptimizationRemark>(MergableCIs.front(), "OMP150", Remark);  in mergeParallelRegions()
976       LLVM_DEBUG(dbgs() << TAG << "Merge " << MergableCIs.size()  in mergeParallelRegions()
981       EndBB = SplitBlock(BB, MergableCIs.back()->getNextNode(), DT, LI);  in mergeParallelRegions()
984       StartBB = SplitBlock(BB, MergableCIs.front(), DT, LI, nullptr,  in mergeParallelRegions()
993       for (auto *It = MergableCIs.begin(), *End = MergableCIs.end() - 1;  in mergeParallelRegions()
1022       Function *OutlinedFn = MergableCIs.front()->getCaller();  in mergeParallelRegions()
1027       for (auto *CI : MergableCIs) {  in mergeParallelRegions()
1051         if (CI != MergableCIs.back()) {  in mergeParallelRegions()
1067       NumOpenMPParallelRegionsMerged += MergableCIs.size();  in mergeParallelRegions()
1094       SmallVector<CallInst *, 4> MergableCIs;  in mergeParallelRegions()  local
1144           MergableCIs.push_back(cast<CallInst>(&I));  in mergeParallelRegions()
1149         if (IsMergable(I, MergableCIs.empty()))  in mergeParallelRegions()
1165         if (MergableCIs.size() > 1) {  in mergeParallelRegions()
1166           MergableCIsVector.push_back(MergableCIs);  in mergeParallelRegions()
1167           LLVM_DEBUG(dbgs() << TAG << "Found " << MergableCIs.size()  in mergeParallelRegions()
1173         MergableCIs.clear();  in mergeParallelRegions()
1179         for (auto &MergableCIs : MergableCIsVector)  in mergeParallelRegions()  local
1180           Merge(MergableCIs, BB);  in mergeParallelRegions()